If 2cosA=1, then cosA- secA is equal to

Free previous-year papers & practice for JEE, NEET and CBSE Boards.

Free previous-year papers & practice for JEE, NEET and CBSE Boards.

Cosecant, Secant, and Cotangent as Reciprocal Ratios | PadhAiPro

Question

MCQ (Single)Cosecant, Secant, and Cotangent as Reciprocal Ratios

Prove that (cos A + sin A – 1)/(cos A – sin A + 1) = cosec A – cot A

Pythagorean Trigonometric Identity

Identity Relating Cosecant and Cotangent

If sec A = 25/7, then find the value of cosec A and tan A.

Prove that : (sin θ + sec θ)² + (cos θ + cosec θ)² = (1 + sec θ cosec θ)².

Prove the following trigonometric identity : (1 – sin θ)/cos θ + cos θ/(1 – sin θ) = 2 sec θ

Prove the following trigonometric identity : √((cosec A − 1)/(cosec A + 1)) = sec A − tan A

The value of (1/sec²A + 1/cosec²A) is :